Home / 19,711.08-27,201.42-10,758.69

Finding the Fourth Proportional to 19,711.08, 27,201.42 and 10,758.69

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Solution

The fourth proportional to 19,711.08, 27,201.42 and 10,758.69 is: 14,847.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711.08 : 27,201.42 = 10,758.69 : x
  2. Step 2: Convert to fraction form
    19,711.08/27,201.42 = 10,758.69/x
  3. Step 3: Cross multiply
    19,711.08x = 27,201.42 × 10,758.69
  4. Step 4: Simplify right side
    19,711.08x = 292,651,645.34
  5. Step 5: Solve for x
    x = 292,651,645.34/19,711.08
  6. Step 6: Final answer
    x = 14,847.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.